AMP: 20 Location: I-90 and Main St, Sheridan Reassurance shield acknowledging US-87’s joining as we head out of Sheridan AMP: 16 Location: I-90 and WYO 339, Sheridan Cty Junction Wyoming 339 coming up. WYO 339 is just a very short spur to WYO 338, which heads to Decker, so it’s surprising there’s no TO signage … Continue reading U.S. Route 14, I-90 Bus/US-87/US-14 Bus to WYO 339